outlook plug-ins detect version different from x-mailer

  • Thread starter Thread starter ol-developer
  • Start date Start date
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ol-developer

Hi all,

On a customer machine, our plug-ins (one COM add-in in VB, and one MAPI
in cpp) detect Outlook 2000 running, but the email we received from
this customer has an x-mailer header field indicating Outlook 2003. He
has also confirmed he's using Outlook 2000.

Can anyone please share how that is possible? We ever tried first
installing Office 2003, and then attempted to overwrite with Office
2000 (selecting only Outlook). Installation aborted somewhere with
error, but Outlook 2000 seemed to get installed properly. Emails sent
from this OL2000 showed matching version information though.

Somehow such combination (version mismatch) has caused Outlook to crash
intermittently after installing the plug-ins. Crashes normally happen
'outside' the execution of the plug-ins. And our plug-ins didn't do
version-specific processing.

Thanks.
 
What info is being sent from this particular user/company?

My machine (using OL2003) shows this for the X-mailer:
X-Mailer: Microsoft Office Outlook 11
 
ol-developer said:
On a customer machine, our plug-ins (one COM add-in in VB, and one
MAPI in cpp) detect Outlook 2000 running, but the email we received
from this customer has an x-mailer header field indicating Outlook
2003. He has also confirmed he's using Outlook 2000.
Click to expand...

The X- headers are treated strictly as comments by mail agents and don't
have any bearing on the handling or interpretation of a message.
 
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